CN107831676B - Satellite service unit manager - Google Patents
Satellite service unit manager Download PDFInfo
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- CN107831676B CN107831676B CN201710877236.7A CN201710877236A CN107831676B CN 107831676 B CN107831676 B CN 107831676B CN 201710877236 A CN201710877236 A CN 201710877236A CN 107831676 B CN107831676 B CN 107831676B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
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Abstract
The invention discloses a satellite service unit manager, which is characterized by comprising the following components: the pulse extraction module is used for processing the input pulse sequence through the seven-bit addition counter and the comparator and extracting pulses required by the manager; and the manager internal instruction execution module is used for performing serial-parallel conversion and decoding on the measurement and control instruction, and generating a corresponding twelve-path single pulse/level instruction when the identification instruction number is the manager internal execution instruction. The invention overcomes the defect that the conventional method on the satellite adopts a circuit board to realize telemetering acquisition and remote control instruction distribution, integrates the functions of the circuit board into one chip, solves the problem that the satellite telemetering and remote control instruction distribution and data acquisition occupy more circuit boards, and compared with the weight of the whole satellite cable network of the same satellite, the weight of the cable network can be reduced by more than 70 percent by using the controller, the technical problem of large weight of a single machine is solved, the weight of the whole satellite is greatly reduced, and the satellite transmitting cost is reduced.
Description
Technical Field
The present invention relates to a manager, and more particularly, to a satellite service unit manager.
Background
The satellite of a certain type uniformly implements power supply, distribution, control and measurement on each single machine according to the principle that the south, the north and the bottom cabins are close to each other, and implements the power distribution, the control and the measurement of the same single machine on the same single machine module, the traditional satellite can complete the functions and completely use the independent single machines, which causes the problems of heavy weight, disorder of a cable network and the like, the satellite of the type faces the weight reduction pressure, the function density of the single machine must be improved, the weight of the cable network is reduced, and the information flow is optimized, which can not be solved by the traditional mode, therefore, according to the requirement of the whole satellite, the invention provides a satellite service unit manager which is used as an upper computer of a satellite service unit controller, introduces various traditional independent single machines by high integration equipment, documents at home and abroad, the prior satellite telemetering collection is usually carried out channel selection by a sampler and is summarized to a multi-pipe computer for framing, remote control instructions are distributed and executed through a bus, a printed circuit board in a single machine is complex in design and numerous in components, so that a satellite cable network is complex, the requirements of satellite thermal control, propulsion driving, initiating explosive device control and the like on the remote control instructions are greatly different, the single machine with independent functions is generally adopted, so that the number of the single machines is large, the signal connection among the single machines is large, the weight of the whole satellite is increased, the weight is limited by the launching weight of a domestic carrier rocket, the model development cannot be completed by adopting a traditional remote measurement and control method, the requirements of the conventional measurement and control, thermal control, propulsion driving, initiating explosive device control and the like on the instructions and remote measurement are greatly different, and meanwhile, the requirements of all cabin sections of the whole satellite on power supply and distribution are different, at present, products which can not only realize centralized processing in China but also.
Disclosure of Invention
The invention aims to solve the technical problem of providing a satellite service unit manager, which can overcome the defect that a conventional method on a satellite adopts a circuit board to realize telemetering acquisition and remote control instruction distribution, integrates the functions of the satellite service unit manager into a chip, solves the problem that the satellite telemetering and remote control instruction distribution and data acquisition occupy more circuit boards, and compared with the weight of a whole satellite cable network of the same satellite, the weight of the cable network can be reduced by more than 70 percent by using the controller, the technical problem of heavy weight of a single machine is solved, the weight of the whole satellite is greatly reduced, and the satellite transmitting cost is reduced.
The invention solves the technical problems through the following technical scheme: a satellite service unit manager, comprising:
the pulse extraction module is used for processing the input pulse sequence through the seven-bit addition counter and the comparator and extracting pulses required by the manager;
the manager internal instruction execution module is used for performing serial-parallel conversion and decoding on the measurement and control instruction, and generating a corresponding twelve-path single pulse/level instruction when the identification instruction number is the manager internal execution instruction;
the unit instruction judgment module compares the measurement and control instruction subjected to serial-parallel conversion with an externally arranged unit address, and when the measurement and control instruction is judged to be the instruction of the unit, the measurement and control instruction is processed through remote control instruction decoding, remote measurement instruction decoding, command frame generation and command frame generation to generate a command frame signal, and the two signals of the measurement and control instruction of the unit are output to a lower computer;
the telemetering data acquisition module is used for acquiring telemetering data of sixteen channels of the manager in real time, when the unit instruction judgment module judges that an input measurement and control instruction is a telemetering acquisition command to be executed by the unit, sixteen channels of input analog/digital signals are selected by identifying the number of the telemetering acquisition module in the measurement and control instruction, when the analog/digital signals are judged to be digital quantity by the telemetering acquisition state word in the measurement and control instruction, the measurement data and measurement data enable signals are directly output to an upper computer, and if the analog/digital signals are judged to be analog quantity, eight-bit/twelve-bit serial data are generated as the measurement data after the analog/digital signal conversion, and the measurement data enable signals are generated to the upper computer.
Preferably, the pulse train is a square wave signal with a frequency of 204.8 kilohertz and a duty cycle of 50%.
Preferably, the measurement and control instruction is a serial digital quantity, each code word is a pulse sequence period, when the signal of the measurement and control frame is at a high level, the measurement and control instruction is a remote measurement acquisition command, and when the signal of the measurement and control frame is at a low level, the measurement and control instruction is a remote control instruction.
Preferably, the command frame signal is set to 0 when the service unit manager judges that the measurement and control instruction is the remote measurement acquisition instruction of the unit, and is set to 1 when the service unit manager judges that the measurement and control instruction is the remote control instruction of the unit.
Preferably, the measurement data is obtained by selecting 1 from 16 for the analog/digital signals according to the module number in the measurement and control instruction of the unit, and the measurement data is output as the measurement data after signal processing.
The positive progress effects of the invention are as follows: the invention overcomes the defect that the conventional method on the satellite adopts a circuit board to realize telemetering acquisition and remote control instruction distribution, integrates the functions of the circuit board into one chip, solves the problem that the satellite telemetering and remote control instruction distribution and data acquisition occupy more circuit boards, and compared with the weight of the whole satellite cable network of the same satellite, the weight of the cable network can be reduced by more than 70 percent by using the controller, the technical problem of large weight of a single machine is solved, the weight of the whole satellite is greatly reduced, and the satellite transmitting cost is reduced.
Drawings
FIG. 1 is a block diagram of an interface of the present invention.
FIG. 2 is a timing diagram of the present invention.
Fig. 3 is a schematic diagram of the system of the present invention.
FIG. 4 is a functional block diagram of an internal instruction execution module according to the present invention.
FIG. 5 is a schematic block diagram of a telemetry data acquisition module of the present invention.
Detailed Description
The following provides a detailed description of the preferred embodiments of the present invention with reference to the accompanying drawings.
As shown in fig. 1 to 5, the satellite service unit manager of the present invention includes:
a pulse extraction module 101, which processes the input pulse sequence (CP) through a seven-bit addition counter and a comparator, and extracts the pulse required by the manager;
the manager internal instruction execution module 102 is used for performing serial-parallel conversion and decoding on the measurement and control instruction (CK _ ZL), and generating a corresponding twelve-path monopulse/level instruction when the instruction number is identified as the manager internal execution instruction;
the unit instruction judgment module 104 compares the measurement and control instruction (CK _ ZL) after serial-parallel conversion with an externally arranged unit address (add [3..0]), and when the measurement and control instruction (CK _ ZL) is judged to be an instruction of the unit, the measurement and control instruction (CK _ ZL) is processed through remote control instruction decoding, command frame generation and command frame generation to generate a command frame signal (MLK) and output two signals of the measurement and control instruction (SUC _ ZL) of the unit to a lower computer;
a remote measuring DATA acquisition module 103, which is used for the real-time acquisition of the sixteen-channel remote measuring DATA of the manager, when the unit instruction judgment module judges that the input measurement and control instruction (CK _ ZL) is the remote measuring acquisition command to be executed by the unit, the input sixteen channels of analog/digital signals (A/D [15..0]) are selected by identifying the remote measuring acquisition module number in the measurement and control instruction (CK _ ZL), when the analog/digital signals (A/D [15..0]) are judged to be digital quantity by the remote measuring acquisition state word in the measurement and control instruction (CK _ ZL), the measurement DATA (CL _ DATA) and the measurement DATA enable signal (CL _ EN) are directly output to the upper computer, if the analog/digital signals (A/D [15..0]) are judged to be analog quantity, serial DATA of eight bits/twelve bits are generated as the measurement DATA (CL _ DATA) after the analog/digital signals (A/D) are converted, and generates a measurement data enable signal (CL _ EN) to the upper computer.
The pulse train (CP) is a square wave signal with a frequency of 204.8 khz and a duty cycle of 50%.
The measurement and control instruction (CK _ ZL) is a serial digital quantity, each code word is a pulse sequence (CP) period, when the measurement and control frame signal (CKK) is at a high level, the measurement and control instruction (CK _ ZL) is a remote measurement acquisition command, and when the measurement and control frame signal (CKK) is at a low level, the measurement and control instruction (CK _ ZL) is a remote control command.
The command frame signal (MLK) is set to be 0 when the service unit manager judges that the measurement and control instruction (CK _ ZL) is a remote measurement acquisition instruction of the unit, and is set to be 1 when the service unit manager judges that the measurement and control instruction (CK _ ZL) is a remote control instruction of the unit.
And the measurement DATA (CL _ DATA) is obtained by carrying out 16-to-1 selection on an analog/digital signal (A/D [15..0]) according to the module number in the unit measurement and control command (SUC _ ZL), and is output as the measurement DATA (CL _ DATA) after signal processing.
The working principle of the invention is as follows: in the pulse extraction module, a seven-bit addition counter counts pulses of an input pulse sequence, the counter is reset by utilizing the rising edge and the falling edge of a measurement and control frame signal, and the output value of the counter is connected with a numerical comparator to extract the pulses required by signal processing; the manager internal instruction execution module is used for comparing the unit measurement and control instruction after serial-parallel conversion with binary 1111001, if the instruction is equal to the manager internal instruction, eight pulse instructions (with the width of 80ms) or four groups of level instructions (respectively controlled by K [16..9 ]) corresponding to the unit measurement and control instruction execution module are generated through a latch, a decoder and a pulse stretching circuit, the defect that the conventional method on a satellite adopts a circuit board to realize remote measurement acquisition and remote control instruction distribution is overcome, and the functions of the conventional method are integrated into a chip; the remote measurement data acquisition module is used for gating and converting sixteen paths of remote measurement data, 16-to-1 selection is carried out on the sixteen paths of remote measurement data by using module number data Q [3..0] in a measurement and control instruction of the unit, and when YM is 0 and the input remote measurement data is digital quantity, serial measurement data is directly output through a gating device; when YM is 1 and the input telemetering data is analog quantity, analog signals are subjected to analog/digital signal conversion, parallel-serial conversion and 2-to-1 selector and then output serial measurement data, and the enabling signal generating module is used for generating enabling signals and measurement data enabling signals for the cost module, so that the problem that more circuit boards are occupied for satellite telemetering and remote control instruction distribution and data acquisition is solved; the unit instruction judgment module compares the measurement and control instruction subjected to serial-parallel conversion with an externally arranged unit address, when the measurement and control instruction is equal to the externally arranged unit address, the instruction is the instruction of the service unit, then the remote control code and the remote control code in the measurement and control instruction are decoded, and a corresponding command frame signal and the measurement and control instruction of the unit are generated.
In conclusion, the invention overcomes the defects of the conventional method on the satellite that the telemetry acquisition and the remote control instruction distribution are realized by adopting the circuit board, integrates the functions of the telemetry acquisition and the remote control instruction distribution into one chip, solves the problem that the telemetry and the remote control instruction distribution and the data acquisition of the satellite occupy more circuit boards, and compared with the weight of the whole satellite cable network of the same satellite, the weight of the cable network can be reduced by more than 70 percent by using the controller, the technical problem of large weight of a single machine is solved, the weight of the whole satellite is greatly reduced, and the satellite transmission cost is reduced.
The above embodiments are described in further detail to solve the technical problems, technical solutions and advantages of the present invention, and it should be understood that the above embodiments are only examples of the present invention and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. A satellite service unit manager, comprising:
the pulse extraction module is used for processing the input pulse sequence through the seven-bit addition counter and the comparator and extracting pulses required by the manager;
the manager internal instruction execution module is used for performing serial-parallel conversion and decoding on the measurement and control instruction, and generating a corresponding twelve-path single pulse/level instruction when the identification instruction number is the manager internal execution instruction;
a unit instruction decision module for comparing the measurement and control instruction after serial-parallel conversion with the externally set unit address, when the measurement and control instruction is judged to be the instruction of the unit, the measurement and control instruction is processed through remote control instruction decoding, remote measurement instruction decoding, command frame generation and instruction frame generation to generate a command frame signal, the two signals of the measurement and control instruction of the unit are output to a lower computer, the measurement and control instruction is serial digital quantity, each code word is a pulse sequence period, when the signal of the measurement and control frame is at high level, the measurement and control instruction is a remote measurement acquisition command, when the signal of the measurement and control frame is at a low level, the measurement and control instruction is a remote control instruction, the command frame signal is set to 0 when the service unit manager judges that the measurement and control instruction is the telemetering acquisition command of the unit, when the service unit manager judges that the measurement and control instruction is the remote control instruction of the unit, setting a command frame signal to be 1;
the telemetering data acquisition module is used for acquiring telemetering data of sixteen channels of the manager in real time, when the unit instruction judgment module judges that an input measurement and control instruction is a telemetering acquisition command to be executed by the unit, sixteen channels of input analog/digital signals are selected by identifying the number of the telemetering acquisition module in the measurement and control instruction, when the analog/digital signals are judged to be digital quantity by the telemetering acquisition state word in the measurement and control instruction, the measurement data and measurement data enable signals are directly output to an upper computer, and if the analog/digital signals are judged to be analog quantity, eight-bit/twelve-bit serial data are generated as the measurement data after the analog/digital signal conversion, and the measurement data enable signals are generated to the upper computer.
2. The satellite services unit manager of claim 1 wherein the pulse train is a square wave signal having a frequency of 204.8 kilohertz and a duty cycle of 50%.
3. The satellite service unit manager according to claim 1, wherein the measurement data is a 16-to-1 selection of analog/digital signals according to a module number in the unit measurement and control command, and the measurement data is output as the measurement data after signal processing.
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| CN201710877236.7A CN107831676B (en) | 2017-09-25 | 2017-09-25 | Satellite service unit manager |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103944629A (en) * | 2014-04-28 | 2014-07-23 | 航天东方红卫星有限公司 | Satellite integrated electronic system |
| CN105245364A (en) * | 2015-09-29 | 2016-01-13 | 中国运载火箭技术研究院 | Satellite payload task management system |
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| CN101145825A (en) * | 2007-10-30 | 2008-03-19 | 航天东方红卫星有限公司 | Small satellite satellite-ground communication integrated system |
| KR20140075287A (en) * | 2012-12-11 | 2014-06-19 | 현대중공업 주식회사 | Automatic exhaust gas emission control apparatus and method using geographic data |
| CN103471617B (en) * | 2013-09-17 | 2016-01-20 | 中国科学院长春光学精密机械与物理研究所 | Space camera multifunctional comprehensive Star Service emulation ground check system |
| US9742599B2 (en) * | 2016-01-19 | 2017-08-22 | Hughes Network Systems, Llc | Partial response signaling techniques for single and multi-carrier nonlinear satellite systems |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103944629A (en) * | 2014-04-28 | 2014-07-23 | 航天东方红卫星有限公司 | Satellite integrated electronic system |
| CN105245364A (en) * | 2015-09-29 | 2016-01-13 | 中国运载火箭技术研究院 | Satellite payload task management system |
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